Finding the Fourth Proportional to 32,112,640.80, 48,168,961.20 and 14,840,808.30
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Solution
The fourth proportional to 32,112,640.80, 48,168,961.20 and 14,840,808.30 is: 22,261,212.45
Step by Step Solution
- Step 1: Write the proportion equation
32,112,640.80 : 48,168,961.20 = 14,840,808.30 : x - Step 2: Convert to fraction form
32,112,640.80/48,168,961.20 = 14,840,808.30/x - Step 3: Cross multiply
32,112,640.80x = 48,168,961.20 × 14,840,808.30 - Step 4: Simplify right side
32,112,640.80x = 714,866,319,179,338 - Step 5: Solve for x
x = 714,866,319,179,338/32,112,640.80 - Step 6: Final answer
x = 22,261,212.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.